Some Basic Concepts · Combustion stoichiometry of hydrocarbon

The ratio of mass percentage (w/w) of C : H in a hydrocarbon is 12 : 1. It has two carbon atoms. The weight (in g) of $\ce{CO2}$(g) formed when 3.38 g of this hydrocarbon is completely burnt in oxygen is :

(Given : Molar mass in g mol$^{-1}$ C : 12, H : 1, O : 16)